def check_duplicate(lst):
   
    return len(set(lst)) != len(lst)

test_lst = [1, 2, 3, 4, 5]
print(check_duplicate(test_lst))  

test_lst = [1, 2, 3, 4, 5, 5]
print(check_duplicate(test_lst))  

test_lst = [1, 2, 3, 4, 5, 1, 2]
print(check_duplicate(test_lst))  
